light AUDI A4 2019 Workshop Manual

Assistsystems

>Toswitchthesystemon,pullthelevertoward
youtoposition().
TheGgor88]indicatorlightandthecorre-
spondingmessagewillappearintheinstrument
cluster.
ZXWARNING
Ifthebrakesaremalfunctioning(forexample,
overheating)whilethecruisecontrolsystem
isswitchedon,itmayshutoffautomatically.
Preselectingoractivatingacruisecontrol
Cytst-t)
Appliesto:vehicleswithcruisecontrolsystem


Whenthevehicleisstationary,youcanpreselect
thecruisecontrolspeedoractivatethespeed
whiledriving.
Requirement:thesystemmustbe switchedon.
>Topreselectacruisecontrolspeedwhentheve-
hicleisstationary,tapthelevertoward@)/G)
=>page95,fig.95.
>Toactivatethecruisecontrolspeed,pullthe
levertowardposition@whiledriving,or
>
Tosetthecurrentdrivingspeedasthecruise
controlspeed,pressthebutton(@)onthelever.
Theactivecruisecontrolspeedisindicatedwith
theCRUISE]orklindicatorlightintheinstrument
cluster.
Anadditionalindicatorappearsinthehead-up
display”.
Changingthecruisecontrolspeed
Appliesto:vehicleswithcruisecontrolsystem
>Toincrease ordecreasethecruisecontrolspeed
insmallincrements,tap theleveruptothe
firstleveltoward@/@)>page95,fig.95.
>Toincrease ordecreasethecruisecontrolspeed
inlargerincrements,taptheleveruptothe
secondleveltoward@)/G).
>Toincrease ordecreasethecruisecontrolspeed
continuously,tapandholdtheleveratthefirst
orsecondleveltoward(#)/C).
96
Overridingordeactivatingthecruise
controlspeed
Appliesto:vehicleswithcruisecontrolsystem
Youcanoverride ordeactivatethecruisecontrol
system.Whenyoudeactivatethesystem,your
cruisecontrolspeedwillbestoredand youcan
resumethatspeed.
Requirement:thesystemmustbe switchedon
andactivated.
Overriding
>Totemporarilyoverridethecruisecontrol
speed,presstheacceleratorpedal.
>Onceyoureleasetheacceleratorpedal,thesys-
temwilladjustbacktothestoredcruisecontrol
speed.
Ifyouoverridethecruisecontrolsystemfora
longperiodoftime,thecruisecontrolsystem
willbedeactivated.Thesystemindicatorlight
willturnoffandthecruisecontrolspeedwillbe
stored.
Deactivating
>Todeactivatethecruisecontrolspeed,press
thelevertoward(2)(notlockedintoplace)
=>page95,fig.95.
>Pressthebrakepedal.

Z\WARNING
Restingyourfootontheacceleratorpedal
couldoverridethecruisecontrol.Thiswillpre-
ventbrakinginterventionsby the system.
Seema
Appliesto:vehicleswithcruisecontrolsystem

Whenyouswitchthesystemoffcompletely,the
cruisecontrolspeedwillbedeleted.
Requirement:thesystemmustbe switchedon.
>Toswitchthesystemoff,pressthelevertoward
@(lockedintoplace)>page95,fig.95,or
>Switchtheignitionoff.

8W0012721BG
Assistsystems

Appliesto:vehicleswithcruisecontrolsystem
ICRUISE|/3)Speedcontrolsystem:currentlyun-
available.Seeowner'smanual
Iftheindicatorlightturnsonandthismessage
appears,thecruisecontrolsystemhasbeendeac-
tivated.Thereisatemporarymalfunction,forex-
amplethebrakesareoverheating.Switchthe
cruisecontrolsystemonagainlater.
Camera-basedtraffic
signrecognition
Appliesto:vehicleswith camera-basedtrafficsignrecognition

Fig.96Instrumentcluster:trafficsignrecognition

B4M-0090


Fig.97Windshield:camerawindowfortrafficsignrecog-
nition
Trafficsignrecognitionassistsyouwhendriving
bydisplayingdetectedspeedlimitsorsignspro-
hibitingpassingintheinstrumentclusterdisplay
>fig.96.Withinthelimitsofthesystem,thele-
galspeedlimitsinschoolzonesaredetectedand
displayed.
Generalinformation
Trafficsignrecognitioncandetectstandard
speedlimitsignsthatarewithinthecamera'svis-
ualfield.Withassistancefromnavigationdata,
detectedspeedlimitsareevaluatedandshownin
thedisplay.Thetrafficsignforthecurrentde-
tectedspeedlimitwillblinkinthedisplayifyou
exceedthewarningthresholdsetintheInfotain-
mentsystem>page98.
Thetrafficsignrecognitionissubjecttocertain
systemlimitationsandmaybeunavailableoron-
lypartiallyavailableinthefollowingsituations:
—Whenvisibilityispoor,suchasinsnow,rain,
fogorheavyspray
—Whenthereisglare,forexamplefromoncom-
ingtrafficorthesun
—Athighspeeds
—Ifthecamera'svisualfield>fig.97iscovered,
forexamplebydirtorstickers.Forinformation
oncleaning,see>page342.
—Ifthetrafficsigns arecompletelyorpartially
covered,forexamplebytrees,snow,dirtor
othervehicles
—ifspeedtrafficsignsdonotconformtothe
standards
—Iftrafficsigns aredamagedorbent
—Iftrafficsigns aredisplayedonsignholders
withelectronicsigns
—ifthetrafficsignsortheconfigurationofthe
roadhavechanged(navigationdataisnolonger
up-to-date)

ZAWARNING
Payattentiontotrafficandtheareaaround
yourvehiclewhentrafficsignrecognitionis
turnedon.Thetrafficsignsinstalledonthe
roadalwaystakeprecedenceoverthedisplay.
Thedriverisalwaysresponsibleforassessing
thetrafficsituation.
— Undersomecircumstances,trafficsignrec-
ognitionmaynotdetecttrafficsignscorrect-
lyordetectthematall.Asaresult,thesys-
temmaynotdisplaythecorrectspeedlimit
oranyspeedlimit.
—Trafficsignrecognitiondoesnotadaptyour
vehicle'sspeedtomatchthespeedlimit!
—Thedisplayintheinstrumentclusteris
basedontheunitsofmeasurementusedfor
speedinthe countrywherethevehicleisbe-
ingoperated.Asaresult,thedisplay50in

97

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Assistsystems

Predictivecontrol(efficiencyassist)
Appliesto:vehicleswithAudiadaptivecruisecontrolandpre-
dictiveefficiencyassist


Fig.99Instrumentcluster:predictivecontrol
Description
Thepredictivecontrol)usesthemapinforma-
tionfromthenavigationsysteminordertoreact
proactivelywhendriving.Informationfromthe
camera-basedtrafficsignrecognition*isalsoap-
pliedtorecognizetrafficsigns>page97.When
cominguptoareaswithspeedlimitsorchanges
inthe courseoftheroad(suchascurves,inter-
sectionsortrafficcircles),thesystembrakesau-
tomaticallyandthenacceleratesbackuptothe
setspeed.
Overridingcontrol
Thedrivercanoverridethepredictivecontrolat
anytimebypressingtheacceleratororbrake
pedal.Ifthesystemchangesthevehiclespeedto
adapttospeedlimits,youcanchangethespeed
usingthelever>page106,fig. 106.
Alwaysswitchoffthepredictivecontrolin
thefollowingsituations:
—Whenincreasedattentionisneededfromthe
driver
—Inpoorweatherconditionssuchassnowor
heavyrain
—Whendrivingonroadsinpoorcondition
Indicatorintheinstrumentclusterdisplay
Whenswitchingontheadaptivecruisecontrol
forthefirsttime,amessagewillappearinthe
statuslinetoindicateifpredictivecontrolis
available.

D_Thisisnotavailableinsomecountries.
TheBEsymbolappearswhenthesystem
isregulatingthespeedtomatchaspeedlimit.If
thisisthecase,thesystemisregulatingaspeed
of50mph(80 km/h).Thespeedisthentaken
overbytheadaptivecruisecontrol.Thespeedin
thespeedometerLEDringadjuststothespeedto
bemaintained>page105,fig.105.ThefaaEN
=>fig.99symbolappearswhenthereisanadap-
tationtotherouteahead.
IfyouareintheDriverassistancedisplayinthe
instrumentcluster,thenthefollowingsymbols
willindicatewhichoccurrencethesystemiscur-
rentlyrespondingto:


SymbolMeaning
MPHSpeedlimit
km/hSpeedlimit

iCurve

Intersection
JilTE
©Trafficcircle
NW

Z\WARNING
—Readthewarningson>AinGeneralinfor-
mationonpage103andon>AinDescrip-
tiononpage97.
—Payattentiontotrafficandtheareaaround
yourvehiclewhenpredictivecontrolis
switchedon.Thedriverisalwaysresponsible
forassessingthetrafficsituation.
—Thesystemdoesnotconsider"rightofway"
rulesanddoesnotrespondtotrafficlights,
solackofdriverattentioninthesesituations
canincreasetheriskofanaccident.
— The systemonlyconsiderstrafficsignsthat
giveaspeedlimit.
— The
permittedspeedcanbeexceededifthe
adaptationtoaspeedlimitisincorrect.The
driverisresponsibleforadheringtotheper-
mittedspeed.
—Thespeedwhendrivingthroughcurvesmay
bedifferentfromwhatyouasadriverwould

101

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Assistsystems

Whentheadaptivecruisecontrolisturnedon,
youmustpresstheclutchtoshiftgears(asusu-
al).Whenshiftingnormallyorwhenpressingthe
clutch,theadaptivecruisecontrolremains
turnedon.
Afteryouhaveengagedthegear,youdonotneed
topressthegaspedal.Theadaptivecruisecon-
trolacceleratesautomaticallyifnecessary.
Ifyoupressdownontheclutchfortoolongor
shift/coupleimproperly,theadaptivecruisecon-
trolmayturnoffautomatically.
Switchingonandoff
Appliesto:vehicleswithAudiadaptivecruisecontrol

B4M-0231


RAH-8655


Fig.105Instrumentcluster:adaptivecruisecontrol
Youcansetanyspeedbetween20mphand95
mph(30km/hand150km/h).
Indicatorlightsandmessagesintheinstrument
clusterdisplayinformyouaboutthecurrentsit-
uationandsetting.
Anadditionalindicatorappearsinthehead-up
display*.
Switchingadaptivecruisecontrolon
> Pullthelevertowardyouintoposition@
>fig.104.
Storingthespeedandactivatingregulation

>Tostorethecurrentspeed,pressthe[SET]but-
ton>fig.104.Thestoredspeedisshowninthe
speedometerintheLEDline@)andappears
brieflyinthestatusline©)>fig.105.
»Automatictransmission:toactivatecontrol
whenstationary,thebrake pedalmustalsobe
pressed.

Switchingadaptivecruisecontroloff
>Pushtheleverawayfromyouintoposition©
untilitclicksintoplace.ThemessageACC:off
appears.
Indicatorlights
B-Adaptivecruisecontrolmustbeswitched
on.Novehiclesaredetectedahead.Thestored
speedismaintained.
BA-Avehicledrivingaheadwasdetected.The
adaptivecruisecontrolsystemregulatesthe
speedanddistancetothevehicledrivingahead
andaccelerates/brakesautomatically.
Appliesto:automatictransmissions
&-Adaptivecruisecontrolmustbeswitched
on.Avehiclewasdetectedahead.Yourvehicleis
stationaryandwillnotstartdrivingautomatical-
ly.
Appliesto:automatictransmissions
EB-Adaptivecruisecontrolmustbeswitched
on.Novehiclesweredetectedahead.Yourvehicle
isstationaryandwillnotstartdrivingautomati-
cally.
A-Theautomaticbrakingisnotenoughto
maintainasufficientdistancetoavehicledriving
ahead.Youmustintervene>page109,Driverin-
terventionrequest.
©Instrumentclusterdisplay
IftheDriverassistancedisplayisnotshownin
theinstrumentclusterdisplay,youcanopenit>
105

Assistsystems

Safestartmonitor
Ifanobstacleisdetectedwhenyoustartdriving,
youwillbealerted tothedangerbytheBAindi-
catorlightandtheimageintheinstrumentclus-
terdisplay>fig.108>A\.Anaudiosignalwill
alsosound.Yourvehiclewilldrivemoreslowly
whenstarting.Thismayalsooccurinsomesitua-
tionswhenthereisno apparentobstacle.
—Pressthebrakepedaltoslowyourvehicle
down.

Z\WARNING
IfthemessageACC:automaticgo”appears,
yourvehiclewillstartdrivingevenifthereis
anobstaclebetweenyourvehicleandtheve-
hicledrivingahead.Thisincreasestheriskof
anaccident.
G@)Tips
—Forsafetyreasons,yourvehiclewillonly
starttodriveautomaticallyif:
—Thedriver'ssafetybeltisfastened
—Alldoorsandthehoodareclosed
—Yourvehicleisnotstoppedforalongperi-
odoftime
Interruptingcruisecontrol
Appliesto:vehicleswithAudiadaptivecruisecontrol


B4M-0233


Fig.109Selectorlever
Requirement:adaptivecruisecontrolmustbe
switched
on.

D_Thisisnotavailableinsomecountries.
2)Thisisnotavailableinsomecountriesand onsomeequip-
mentversions.
108
Overridingcruisecontrol
>Toacceleratemanually,pullthelevertoward
youintoposition@)andholditthereorpress
theacceleratorpedal.ThemessageACC:over-
rideappears.
>Toresumecruisecontrol,releasetheleveror
takeyourfootofftheacceleratorpedal.
Cancelingcruisecontrolwhiledriving
>Movetheleverintoposition@).Themessage
ACC:standbyappears.Or
>Pressthebrakepedal.
>Toresumethestoredspeed,movetheleverto-
wardyouintoposition@).
Cancelingcruisecontrolwhenstopped
Appliesto:vehicleswithautomatictransmission
>Pushtheleverawayfromyouintoposition@).
ThemessageACC:standbyappears.
>Toresumecruisecontrol,pressthebrakepedal
andpullthelevertowardyouintoposition@).

Z\WARNING
—Itisdangeroustoactivatecruisecontroland
resumethestoredspeedwhenthecurrent
road,trafficorweatherconditionsdonot
permitthis.Thisincreasestheriskofanac-
cident.
—Restingyourfootontheacceleratorpedal
couldoverridethecruisecontrol.Brakingin-
terventionsandcorrectiveactionsbythe
systemmaynotoccur.
SettingAudiadaptivecruisecontrol
Appliesto:vehicleswith Audiadaptivecruisecontrol


>SelectintheInfotainmentsystem:[MENU]but-
ton>Vehicle>leftcontrolbutton>Driveras-
sistance>Audiadaptivecruisecontrol.

Storingthelastdistance?)
Thelastdistancethatwassetwillbestoredafter
theignitionisswitchedoff.Ifthedistanceisnot>

Assistsystems

Iftrafficjamassistwasdeactivatedthroughthe
Infotainmentsystem,youcancontinueoperating
theactivelaneassistusingthe>fig.111button
=>page118.Thetrafficjamassistfunctionsare
nolongeravailable.
Requirementsforusingtrafficjamassist:
—Trafficjamassistmustbe switchedonintheIn-
fotainmentsystem.
—Adaptivecruisecontrolmustbe switchedon
and
active>page105.
Alwaysswitchofftrafficjamassistinthe
followingsituations:
—Whenincreasedattentionisneededfromthe
driver
—Inpoorweatherconditionssuchassnowor
heavyrain
—Whendrivingonroadsinpoorcondition
—Inconstructionzones
—Incitydriving
Trafficjamassistavailability:
IfyouareintheDriverassistancedisplayinthe
instrumentcluster,theindicatorlightandthe
messageTrafficjamassistavailableappearsif
trafficcongestionisdetected.Youcanopenthe
Driverassistancedisplayusingthemultifunction
steeringwheelbuttons>page15.Toactivate
trafficjamassist,youmustpressthe>fig.111
buttonandswitchontheadaptivecruisecontrol
=>page105.
Indicatorlights
BandBA-trafficjamassistisswitchedon.Ve-
hiclesdrivingaheadweredetected.Yourvehicle
adaptswhiledriving>fig.112.
B-Trafficjamassistswitchesoffifthedriver
doesnottakeoversteeringaftermultipledriver
interventionrequests.Thesystembrakestheve-
hicleuntilitisstationary.

ZA\WARNING
Alwayskeepyourhandsonthesteeringwheel
soyoucanbereadytosteeratanytime.The
driverisalwaysresponsibleforstayingina
laneandforassessingtrafficsituations.Read
andfollowthewarningson>A\inGeneralin-

110

formationonpage103.Neverusetrafficjam
assistinthefollowingsituationsoryouwill
increasetheriskofanaccident:
—Drivingoffroadoronunpavedroads.Traffic
jamassistisonlydesignedforuseonpaved
roads.
—Incitydrivingorinconstructionzones
—Oncurvingstretchesofroad.
—Innarrowlanes
—Inuncleartrafficsituationssuchasatinter-
sectionsortollstations
@Tips
Youarenotnecessarilyguidedtothe center
ofyourlane.
PMENaTemelecile)
Appliesto:vehicleswith Audiadaptivecruisecontrol

Thisfunctionmeasuresthetimebetweentheve-
hicledrivingaheadandshowsthisintheinstru-
mentclusterdisplay.


Fig.113Instrumentcluster:distanceindicator/warning
Description
Atspeedsaboveapproximately40mph(65
km/h),thisfunctionmeasuresthedistancetothe
vehicleaheadastime.
>Switchtheadaptivecruisecontroldisplayonin
theinstrumentclusterdisplay>page15.
TheBindicatorlightturnsonifyoufallbelow
thesetdistance.
Settingthewarningthreshold
Youcanset,changeordeletethewarningthresh-
oldintheInfotainmentsystem.

8W0012721BG
Assistsystems


>IntheInfotainmentsystem,select:[MENU
button>Vehicle>leftcontrolbutton>Driver
assistance>Distancewarning.


Z\WARNING
—Readandfollowthewarningson>Ain
Generalinformationonpage103.
—Thedriverisalwaysresponsibleforadhering
totheregulationsapplicableinthe country
wherethevehicleisbeingoperated.
@Tips
Youmayfallbelowhewarningthreshold
brieflywhenpassingorwhenquicklyap-
proachingaslowvehicle.Thereisnowarning
inthisscenario.Awarningisgivenonlyifyou
fallbelowthewarningthresholdforanex-
tendedperiodoftime.
Appliesto:vehicleswithAudiadaptivecruisecontrol

ACCwithtrafficjamassist:unavailable.See
owner'smanual
Thesystemcannotguaranteethatitwilldetect
vehiclescorrectlyandithasswitchedoff.Thera-
darsensorshaveshiftedorarefaulty.Drivetoan
authorizedAudidealerorauthorizedAudiService
Facilityimmediatelytohavethe malfunctioncor-
rected.
ACCwithtrafficjamassist:currentlyun-
available.Seeowner'smanual
Thismessageappearsiftheadaptivecruisecon-
trolcannotbeactivated,forexampleifthehood
isopen.
ACCw.trafficjamassist:currentlyunavaila-
ble.Sensorvisionrestrictedduetosurround-
ings.Seeowner'smanual
Thismessageappearsiftheradarsensorviewis
obstructed,forexamplebyleaves,snow,heavy
sprayordirt.Cleanthesensors>page103,
fig.101.
ACCwithtrafficjamassist:currentlyun-
available.Gradetoosteep
Theroadexceedsthemaximumpossiblegrade
forsafeoperation.Thesystemscannotbeswitch-
edon.
ACCwithtrafficjamassist:onlyavailablein
D,SorM
Selectthe"D/S"or"M"selectorleverposition.
ACC:availablefrom1stgearup
Manualtransmission:adaptivecruisecontrol
worksin1stgearandhigher.
ACC:clutchpedalpressed
Manualtransmission:pressingtheclutchpedal
longerinterruptsthecontrol.
ACC:noteenginespeed
Manualtransmission:thismessageappearsifthe
driverhasnotshiftedupordownintimewhen
theadaptivecruisecontrolisbrakingoracceler-
ating,causingthevehicletoexceedortonot
reachthepermittedenginespeed.Theadaptive
cruisecontrolswitchesoffautomaticallyandcan-
notbe switched backon.
ACCwithtrafficjamassist:currentlyun-
available.Parkingbrakeapplied
Thesystemsswitchoffifyousettheparking
brake.Thesystemsareavailableagainafteryou
releasetheparkingbrake.
ACCwithtrafficjamassist:currentlyun-
available.Stabilizationcontrol(ESC)input
ThismessageappearsiftheElectronicStabiliza-
tionControl(ESC)istakingaction tostabilizethe
vehicle.Thesystemsswitchoffinthisscenario.
ACCwithtrafficjamassist:manualcontrol!
Thismessageappearsifthevehiclerollsback
whenstartingonaslightincline,eventhoughthe
systemsareactive.Pressthebrakepedaltopre-
ventthevehiclefromrollingorstartingtomove.
ACCwithtrafficjamassist:currentlyun-
available.Downhillassistactivated
Youcannotactivatethesystemwhenhillholdas-
sistisactive.
ACCwithtrafficjamassist:manualcontrol!>
111

8W0012721BG
Assistsystems

acousticallyandwithajerkonthebrakesifnec-
essary.Ifneeded,itcaninitiateapartialorfull
decelerationtoreduce thecollisionspeedorto
avoidthecollisionundercertaincircumstances.
Inconjunctionwithpresensebasic/rear,the
front safetybeltsarealsoreversiblytensioned
whenneeded.Thepresensefrontisalsoactive
whenadaptivecruisecontrol”isswitchedoff.
—Presenserearcontainspresensebasicfunc-
tions.Itusesthedatafromthesideassist*ra-
darsensorsandcalculateswithinthelimitsof
thesystemtheprobabilityofarearendcolli-
sionwiththevehiclebehindyou.Presenserear
isalsoactivewhensideassist*isswitchedoff.
—Withinthelimitsofthesystem,presensecity
usesthecameradataandcandetectanim-
pendingcollisionwithvehiclesandpedestrians.
Inthiscase,thesystemwarnsthedrivervisual-
ly,acousticallyandwithajerkonthebrakesif
necessary.Ifneeded,itcaninitiateafulldecel-
erationtoreducethecollisionspeedorto avoid
thecollisionundercertaincircumstances.In
conjunctionwithpresensebasic/rear,thefront
safety
beltsarealsoreversiblytensionedwhen
needed.

Z\WARNING
Readthegeneralinformationin>A\inGen-
eralinformationonpage103,>A\inGeneral
informationonpage122.

@Tips
—Certainpresensefunctionsswitchoffwhen
drivinginreverse.
— Thepresensefunctionsmaynotbeavaila-
bleifthereisamalfunctionintheESCsys-
temortheairbagcontrolmodule.
—Notethatthereversible belttensioneron
thefrontpassenger'ssidedeactivateswhen
thefrontpassenger'sairbagisdeactivated.
—Switchthepresenseoffwhenyouarenot
usingpublicstreetsorwhenloadingtheve-
hicleontoavehiclecarrier,train,ship,or
othertypeoftransportation.Thiscanpre-

D_Thisisnotavailableinsomecountries.
ventanundesiredinterventionfromthepre
sensesystem.
Audipresensebasic
Appliesto:vehicleswith Audipresensebasic
Thepresensebasicfunctionsareactivatedata
speedofapproximately20mph(30km/h)or
higher.
Thefollowingfunctionscanbetriggeredunder
certainconditionswithinthelimitsofthesys-
tem:
—Tensioningofthesafetybelts(forexample,
duringheavybraking):thefront safetybelts
havereversiblebelttensioners.Ifacollision
doesnotoccur,thesafetybeltswillloosen
slightlyandbereadytotriggeragain.
—Closingthewindowsandsunroof*
—Activationofthe emergencyflashers)
ThemessageAudipresensefy=>page113,
fig.114willwarnyouaboutthedanger.
Audidriveselect*:thetriggertimesareadjusted
dependingonthemodeselected.
CemRicelalg
Appliesto:vehicleswith Audipresensefront
Audipresense

Fig.114Instrumentcluster:approachwarning
Description
Withinthelimitsofthesystem,presensefront
canwarnyouofimpendingcollisionsandinitiate
thecorrespondingbrakingmaneuversorthesup-
portingmeasureswhenavoidingacollision.
113
>

Assistsystems

Ifdetectedintime,thesystemcanrankthedan-
geroussituationascriticalifavehicledriving
aheadbrakessuddenly,ifyourownvehicleisap-
proachingasignificantlyslowervehicleathigh
speedorwhenthereisanoncomingvehicledur-
ingaturningmaneuver.
Ifdetectionisnotpossible,thenpresensefront
doesnotreact.
Warnings
Thesystemrecognizesvariousdangeroussitua-
tions.Theearlywarningoccursif:
—Avehicledrivingaheadbrakessuddenly
—Yourownvehicleapproachesasignificantly
slowervehicleorstationaryvehicleinthedirec-
tionoftravel
Whenthiswarningoccurs,itmayonlybepossi-
bleto avoidacollisionbyswervingorbraking
strongly.ThemessageAudipresenseA
=>fig.114andawarningtonewillwarnyou
aboutthedanger.
Ifyoudonotreactenoughornotatalltoadan-
geroussituationthatwasdetectedbythesys-
tem,presensefrontprovidesassistancebyap-
plyingthebrakes.
If acollisionisimminent,thesystemwillfirst
providean acutewarningbybrakingsharply.You
willalsowarnedbyanindicatorintheinstrument
clusterdisplay>fig.114.Ifyoudonotreactto
theacutewarning,presensefrontcanbrakewith
increasingforcewithinthelimitsofthesys-
tem)).Thisreducesthevehiclespeedinthe
eventofacollision.Atlowvehiclespeeds,pre
sensefrontcaninitiateacompletedeceleration
shortlybeforeacollisionwithavehicledriving
ahead).Ifpresensefrontdeterminesthatyou
arenotbrakingstronglyenoughwhen acollision
isimminent,itcanincreasethebrakingforce.
Thefollowingfunctionstriggerinconjunction
withpresensebasic/rearatcorrespondingvehi-
clespeeds:
—Reversibletensioning ofthefront safetybelts
—Closingthewindowsandsunroof*

D_Thisisnotavailableinsomecountries.
114
—Inflatingthesidebolsters*ontheseatbackrest
Audidriveselect*:dependingonthemodeselect-
ed,thereversiblebelttensioner,theclosingof
thewindowsandsunroof*,andtheinflatingof
thesidebolsters*ontheseatbackrestmaynot
beactive.
Evasivesteeringsupport
Evasive steeringsupporthelpsyouto steerthe
vehiclearoundanobstacleinacriticalsituation.
Ifyouavoidanobstacleaftertheacutewarning,
thentheevasive steeringsupportassistsyouby
applyingslightsteeringadjustmenttocorrect
yoursteeringwheelangleaslongasyouareac-
tivelysteering.Evasive steeringsupportisavaila-
bleatspeedsbetweenapproximately20mph
(30km/h)and90mph(150km/h).
Turnassist
Whenstartingtodriveanduptospeedsofmaxi-
mum6mph(10km/h),theturnassistusesa
brakinginterventiontoreducetheriskofyourve-
hiclecollidingwithanoncomingvehiclewhen
turningleftorright(availableincertaincoun-
tries).Thebrakinginterventioncausesyourvehi-
cletostayinitslane.

Z\WARNING
—Presensefrontcannotovercomethelawsof
physics.Itisasystemdesignedtoassistand
itcannotpreventacollisionineverycircum-
stance.Thedrivermustalwaysintervene.
Thedriverisalwaysresponsibleforbraking
atthecorrecttime.Donotlettheincreased
safetyprovidedtemptyouintotakingrisks.
Thiscouldincreaseyourriskofacollision.
— The systemcandeployincorrectlydueto
system-specificlimits.
—Pleasenotethatthesensorsandthecamera
donotalwaysdetectallobjects or lane
markings.This increasestheriskofanacci-
dent.

Assistsystems

Warnings
Thesystemrecognizesvariousdangeroussitua-
tions.Theearlywarningoccursif:
—Avebhicledrivingaheadbrakessuddenly
—Yourownvehicleapproachesavehicleinfront
ofyouthatistravelingatasignificantlyslower
speedorthatisstationary
—Apedestrianisstandinginthelaneorismov-
ingintothelane
Whenthiswarningoccurs,itmayonlybepossi-
bleto avoidacollisionbyswervingorbraking
strongly.ThemessageAudipresenseA
=>page113,fig.114andawarningtonewill
warnyouaboutthedanger.
Thebrakesmayalsobeappliedasanacutewarn-
ing whenthereisanimpendingcollision.Ifyou
donotreacttotheacutewarning,presensecity
canbraketothepointofcompletedeceleration
withinthelimitsofthesystem.Thisreducesthe
vehiclespeedintheeventofacollision.Themes-
sageAudipresenseAalsoappears.
Thefollowingfunctionsaretriggeredinconjunc-
tionwithpresensebasic/rear:
—Reversibletensioningofthefront safetybelts
—Closingthewindowsandsunroof*
—Inflatingthesidebolsters*ontheseatbackrest
Audidriveselect*:thefunctionisnotactivede-
pendingonthemodeselected.

asbars,railingsorrailcars,andobjectsthat
aredifficulttodetect>A\inGeneralinfor-
mationonpage103.


Z\WARNING
Presensecitymayberestrictedorunavailable
inthefollowingtypesofsituations:
—Inheavyfog,rain,spray,orsnow
—Whentherearevisualobstructions,suchas
glare,reflectionsorvariationsinlight
—Whenitisdark
—Ifthecamerawindoworthewindshieldis
dirty,iced over,damagedorcovered
—Whendrivingonsnow,iceorlooseground
—Incurves
—IftheESCwasrestrictedorswitchedoff
—Whenthedriver'sseatbeltisunfastened
—
Forseveralsecondsafter theignitionis
switchedon


ZAWARNING
—Presensecitycannotovercomethelawsof
physics.Itisasystemdesignedtoassistand
itcannotpreventacollisionineverycircum-
stance.Thedrivermustalwaysintervene.
Thedriverisalwaysresponsibleforbraking
atthecorrecttime.Donotlettheincreased
safetyprovidedtemptyouintotakingrisks.
Thiscouldincreaseyourriskofacollision.
— Thesystemcandeployincorrectlydueto
system-specificlimits.
—Toreducetheriskofanaccident,please
notethatthecameradoesnotalwaysdetect
everyobject.
—Presensecitydoesnotreacttoanimals,
crossing oroncomingvehicles,objectssuch

116
@)Note
Impactsordamagetothecameramounton
thewindshieldcandisplacethesensor.Pre
sensecitycanbeimpairedbythis.Haveanau-
thorizedAudidealerorauthorizedAudiServ-
iceFacilitychecktheirfunction.
G)Tips
—Youcancancelthesystembrakinginterven-
tionifyouaccelerateconsiderablyorswerve
away.
— Keepinmindthatpresensecitycanbrake
unexpectedly.Alwayssecureanycargoor
objects
thatyouaretransportingtoreduce
theriskofdamageorinjury.
—Specificpresensecityfunctionsswitchoff
whentheESCislimitedorswitchedoff
=>page139orthehilldescentassist*is
switchedon>page140.
—Whenthereisamalfunctioninthecamera,
thepresensecityfunctionsalsoswitchoff.